Accumulated Other Comprehensive Income (Changes in AOCI) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 525
Other comprehensive income (loss), net of tax	482	$ (2,247)
Ending balance	1,007	525
Gains and Losses on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	(935)	(816)
Other comprehensive income (loss) before reclassifications	256	(119)
Amounts reclassified from accumulated other comprehensive income	0	0
Other comprehensive income (loss), net of tax	256	(119)
Ending balance	(679)	(935)
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	1,460	3,588
Other comprehensive income (loss) before reclassifications	775	(1,774)
Amounts reclassified from accumulated other comprehensive income	(549)	(354)
Other comprehensive income (loss), net of tax	226	(2,128)
Ending balance	$ 1,686	$ 1,460